G4VUserVisAction.hh

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// $Id$
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// Class Description:
//
// G4VUserVisAction is added to the scene by the command
// /vis/scene/add/userAction, which instantiates a G4CallbackModel to
// add to the RunDurationModels.  Thus the pure virtual Draw() method
// is invoked whenever the viewer needs to "visit the kernel", e.g.,
// to remake its graphical database, if any, or simply to refresh the
// screen.  operator() is defined to satisfy the template
// G4CallbackModel<G4VUserVisAction>.
//
// See the User Guide for Application Developers, Section 8.8.7 and 8.8.8.


#ifndef G4VUSERVISACTION_HH
#define G4VUSERVISACTION_HH

#include "G4Transform3D.hh"

class G4VGraphicsScene;

class G4VUserVisAction
{
public: // With description
  G4VUserVisAction() {}
  virtual ~G4VUserVisAction() {}
  virtual void Draw() = 0;
  void operator()(G4VGraphicsScene&, const G4Transform3D&) {
    Draw();
  }
};

#endif

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